Subject :NSO Class : Class 7
Subject :NSO Class : Class 8
Ans 1:
Class : Class 8
Coal Tar is a mixture of 200 substances and is also used in manufacturing of various materials like paints, perfumes and photographic materials. The correct answer should be (B).
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 3
WHAT IS um
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 8
Identify processes X and Y from the given statements and select the option that correctly identifies the microorganisms involved in them respectively.
X : Conversion of complex organic compounds into ammonia
Y : Conversion of nitrates in soil to free nitrogen
| X | Y | |
|---|---|---|
| A | Aspergillus | Bacillus |
| B | Micrococcus | Thiobacillus |
| C | Pseudomonas | Nitrocystis |
| D | Bacillus | Pseudomonas |
D
Ans 1:
Class : Class 9
B
Ans 2:
Class : Class 8
Answer is (D); the conversion of nitrates in soil to free nitrogen is performed by bacterial species such as Pseudomonas under anaerobic conditions.
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Subject :NSO Class : Class 5
Ans 1:
Class : Class 5
EASY
Ans 2:
Class : Class 5
B is CALCIUM unscrambled
Ans 3:
Class : Class 5
Ans 4:
Class : Class 6
b
Ans 5:
Class : Class 4
B
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 1
Ans 1:
Class : Class 7
The Answer is Moon , which is the option (d) .
